US20090075626A1 - Method, system and apparatus of charging for group mode service - Google Patents

Method, system and apparatus of charging for group mode service Download PDF

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Publication number
US20090075626A1
US20090075626A1 US12/254,127 US25412708A US2009075626A1 US 20090075626 A1 US20090075626 A1 US 20090075626A1 US 25412708 A US25412708 A US 25412708A US 2009075626 A1 US2009075626 A1 US 2009075626A1
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group
accounting
users
request
charging system
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Mingjun Shan
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication of US20090075626A1 publication Critical patent/US20090075626A1/en
Priority to US12/893,965 priority Critical patent/US20110009089A1/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/24Accounting or billing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M15/00Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M15/00Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/70Administration or customization aspects; Counter-checking correct charges
    • H04M15/775Account specifications on parallel communications
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M15/00Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/80Rating or billing plans; Tariff determination aspects
    • H04M15/8066According to the number of recipients
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M15/00Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/80Rating or billing plans; Tariff determination aspects
    • H04M15/8066According to the number of recipients
    • H04M15/8072Group, conference or multi-party call
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M15/00Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/80Rating or billing plans; Tariff determination aspects
    • H04M15/8066According to the number of recipients
    • H04M15/8077Group MMS or SMS; Point-to-multi-point services or broadcast services
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M15/00Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/80Rating or billing plans; Tariff determination aspects
    • H04M15/8083Rating or billing plans; Tariff determination aspects involving reduced rates or discounts, e.g. time-of-day reductions or volume discounts
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M15/00Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/81Dynamic pricing, e.g. change of tariff during call
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M15/00Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/82Criteria or parameters used for performing billing operations
    • H04M15/8228Session based
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • H04W4/08User group management
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W60/00Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M2215/00Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/01Details of billing arrangements
    • H04M2215/0112Dynamic pricing, e.g. change of tariff during call
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M2215/00Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/01Details of billing arrangements
    • H04M2215/0184Details of billing arrangements involving reduced rates or discounts, e.g. time-of-day reductions, volume discounts, cell discounts, group billing, frequent calling destination(s) or user history list
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M2215/00Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/20Technology dependant metering
    • H04M2215/2073Multipoint, e.g. messaging, broadcast or group SMS
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M2215/00Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/20Technology dependant metering
    • H04M2215/2093Push to talk
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M2215/00Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/72Account specifications
    • H04M2215/7277Account specifications on parallel communications
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M2215/00Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/74Rating aspects, e.g. rating parameters or tariff determination apects
    • H04M2215/7478According to the number of recipients
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M2215/00Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/74Rating aspects, e.g. rating parameters or tariff determination apects
    • H04M2215/7478According to the number of recipients
    • H04M2215/7485Group call; Conference call; Multi Party Call
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M2215/00Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/74Rating aspects, e.g. rating parameters or tariff determination apects
    • H04M2215/7478According to the number of recipients
    • H04M2215/7492Group MMS or SMS; Point-to-multi-point services, broadcast services
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M2215/00Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/78Metric aspects
    • H04M2215/7833Session based

Definitions

  • the present invention relates to group mode services in a communication network, and in particular, to a method of accounting for a group mode service, corresponding application server and charging system, and system for realizing a group mode service.
  • Group mode services include various services of different types, such as Instant Message (IM), Presence, Push to Talk over Cellular (PoC) and the like.
  • Group mode services have a common characteristic, that is, after a session initiator initiates a session, all users belonging to the same group may select to participate in the session, and users who have participated in the session may also select to exit the session. In other words, in a group mode service, the number of users participating in a session is variable.
  • a PoC service for example, it is a Push-to-talk service employing VoIP technology based on a mobile cellular public network. After a PoC user sets a group list, the user may have a point-to-point semi-duplex conversation with other PoC users or have a point-to-multipoint semi-duplex conversation with users in a group that is preset, by only pressing a dedicated key.
  • FIG. 1 shows a schematic diagram of point-to-multipoint communication in a PoC service.
  • a PoC server plays in a PoC service a role of realizing application layer network functions, including controlling PoC function and participating PoC function.
  • FIG. 2 is a structural diagram when a PoC Server in which controlling PoC function exists and a PoC Server in which participating PoC function exists belong to different networks.
  • a PoC Server that acts as an inviting party performs controlling PoC function; while in a PoC chat group and a Pre-arranged group session, a PoC Server that has group identification (ID) performs controlling PoC function.
  • ID group identification
  • accounting factors of a session service mainly include the following:
  • PoC session type such as Ad-hoc, Pre-arranged and Chat PoC;
  • accounting is performed on a session owner or a session participant.
  • a session owner it is usually started by a PoC Server in which controlling PoC function exists; whereas when accounting is performed on a session participant, it is usually started by a PoC Server in which participating PoC function exists.
  • an accounting rate with respect to a session owner should be adjusted according to variation of the number of PoC participants; moreover, each time a PoC Server receives a SIP message (including an INVITE message and a BYE message), it triggers an ACcounting Request (ACR) to an charging system, and the charging system replies an ACcounting Answer (CCR) at the same time.
  • ACR ACcounting Request
  • CCR ACcounting Answer
  • Embodiments of the invention provide a method of accounting for a group mode service, which can reduce accounting-related signaling transmitted between an application server and a charging system.
  • the embodiments of the invention further provide an application server, a charging system, and a system for realizing a group mode service.
  • a method of accounting for a group mode service includes the following steps:
  • An application server includes a group mode service functional unit, and further includes:
  • a group scale determining unit adapted to determine the current group scale, according to the number of online users in a group
  • a group scale change determining unit adapted to determine whether the group scale is changed
  • an accounting requesting unit adapted to send an initial accounting request to a charging system according to a service request for establishing a group session initiated by a client, and initiate an interim accounting request, which carries information on the number of online group users or group scale information, to the charging system after the group scale is changed.
  • a charging system includes:
  • an accounting request (ACR) receiving and resolving unit adapted to receive an initial accounting request or interim accounting request initiated by an application server, and resolve information on the number of online group users or group scale information carried in the interim accounting request;
  • a rate determining unit adapted to determine an initial rate according to the initial accounting request, and determine a corresponding accounting rate according to the resolved information on the number of online group users or group scale information;
  • a fee computing unit adapted to perform accounting at the determined initial rate or corresponding accounting rate.
  • a system for realizing a group mode service includes an application server and a charging system, in which the application server is adapted to realize a group mode service, send an initial accounting request to the charging system according to a service request for establishing a group session initiated by a client, determine the current group scale according to the number of online group users, and initiate an interim accounting request, which carries information on the number of online group users or group scale information, to the charging system when it is determined that the group scale is changed; and
  • the charging system is adapted to receive the initial accounting request or interim accounting request initiated by the group application server, resolve the information on the number of online group users or group scale information carried in the interim accounting request, determine an initial rate according to the initial accounting request, determine a corresponding accounting rate according to the resolved information on the number of online group users or group scale information, and perform accounting according to the determined initial rate or corresponding accounting rate.
  • an application server counts the number of users in the current online session, determines the current group scale according to the counted result, and triggers accounting only when the group scale is changed, thereby greatly reducing accounting signaling interacted between the application server and the charging system, and decreasing occupation of network system resources.
  • FIG. 1 is a schematic diagram illustrating a point-to-multipoint communication in a PoC service
  • FIG. 2 is a structural diagram when a PoC Server in which controlling PoC function exists and a PoC Server in which participating PoC function exists belong to different networks;
  • FIG. 3 is a flow chart of a method of accounting for a group-type service, according to an embodiment of the invention.
  • FIG. 4 is a block diagram illustrating a process of accounting for a group-type service by taking a PoC service as an example, according to an embodiment of the invention
  • FIG. 5 is a flow chart illustrating accounting signaling of a group-type service by taking a PoC service as an example, according to an embodiment of the invention
  • FIGS. 6A-6F are flow charts illustrating signaling when an application server initiates an accounting request in different states by taking a PoC service as an example, according to an embodiment of the invention
  • FIG. 7 is a schematic structural diagram of an application server, according to an embodiment of the invention.
  • FIG. 8 is a schematic structural diagram of a charging system, according to an embodiment of the invention.
  • Embodiment of the present invention provides a method of accounting for a group mode service, which is as follows:
  • FIG. 3 it is a flow chart showing steps of the method according to an embodiment of the present invention.
  • the process before entering a normal session, the process includes the following: a client sends a group mode service request to an application server for requesting to establish a multi-party group session; the application server sends an initial accounting request to a charging system; the charging system returns an answer, which carries a triggering variable for a variation threshold for the number of users, to the application server, wherein the triggering variable meets a triggering condition, i.e. it is determined that the group scale is changed, when variation of the number of group users exceeds the variation threshold for the number of users, so that an interim accounting request is needed to be initiated to the charging system.
  • a client sends a group mode service request to an application server for requesting to establish a multi-party group session
  • the application server sends an initial accounting request to a charging system
  • the charging system returns an answer, which carries a triggering variable for a variation threshold for the number of users, to the application server
  • the application server monitors the triggering variable. Specifically, it includes the following steps.
  • Step S 10 the application server waits for a group user to initiate a session starting request, a session joining request, or a session leaving request.
  • Step S 11 after the application server receives the session starting request initiated by the group user, it determines that the current group scale is an initial scale, and initiates an initial accounting request to a charging system. Then, the process turns to Step S 17 .
  • Step S 12 the application server receives the session joining request or session leaving request initiated by the group user. Then, the process proceeds to Step S 13 .
  • Step S 13 the application server counts the number of users in the current online session. Then, the process proceeds to Step S 14 .
  • the application server determines the current group scale according to the counted result; in other words, it determines whether the triggering condition on the variation threshold for the number of users is met. Specifically, the process is as follows.
  • Corresponding relationship between group scales and ranges of the number of users delimited according to the variation threshold for the number of users is stored in advance in the application server. After the application server counts the number of group users in the current online session, it searches for the stored corresponding relationship and determines the current group scale. See the following Table 1.
  • the following three variation thresholds for the number of users are set: a first threshold “5,” a second threshold “15,” and a third threshold “40.”
  • the number of users is divided into four ranges.
  • a first group scale corresponds to a group scale ID “Scale1;”
  • a second group scale corresponds to a group scale ID “Scale2;”
  • a third group scale corresponds to a group scale ID “Scale3;”
  • a fourth group scale corresponds to a group scale ID “Scale4.”
  • the current group scale is the “first group scale.”
  • the current group scale is the “second group scale.”
  • the current group scale is the “third group scale.”
  • the current group scale is the “fourth group scale.”
  • Step S 15 the application server further determines whether the group scale is changed; and if the group scale is not changed, the process turns to Step S 10 ; while when the group scale is changed, the process turns to Step S 16 .
  • the process is as follows.
  • the application server determines whether the current group scale determined is the same as the latest group scale, and if they are the same, it is determined that the group scale is not changed; while if they are different, it is determined that the group scale is changed.
  • the latest group scale is the second scale “Scale2.” If there are users exiting the session from time to time and the number of online users counted currently is 5, then it can be seen from Table 1 that the group scale determined currently shall be the first scale “Scale1,” that is to say, at this point, the group scale has been changed.
  • Step S 16 the application server initiates a new accounting request, i.e. an interim accounting request, to the charging system. Specifically:
  • the application server initiates an interim accounting request to the charging system, the request carries information on the number of users;
  • the application server initiates an interim accounting request to the charging system, the request carries information on the current group scale determined.
  • Step S 17 the charging system performs accounting at a corresponding rate. Specifically:
  • the charging system receives the initial accounting request, it performs accounting at the initial rate
  • a first table of corresponding relationship and a second table of corresponding relationship are stored in the charging system
  • the charging system After the charging system receives the interim accounting request carrying the information on the number of users, it searches the first table of corresponding relationship, determines the corresponding accounting rate by matching and performs accounting at the matched accounting rate;
  • the charging system After the charging system receives the interim accounting request carrying the group scale information, it searches the second table of corresponding relationship, determines the corresponding accounting rate by matching, and performs accounting at the matched accounting rate.
  • Accounting mode that may be employed by the charging system includes online accounting mode or offline accounting mode.
  • FIG. 4 a corresponding block diagram for performing accounting is shown in FIG. 4 .
  • N users in a PoC group and their corresponding participating PoC function server lie in a network A
  • M users and their corresponding participating PoC function Server lie in a network B
  • a controlling function server for the group lies in a network X
  • media and signaling are transmitted between the controlling function server for the group and the participating PoC function Server in the network A via N interacting paths
  • media and signaling are transmitted between the controlling function server for the group and the participating PoC function Server in the network B via M interacting paths.
  • the controlling function server for the group is connected with an online charging system via an online accounting interface, or it is connected with an offline charging system via an offline accounting interface.
  • FIG. 5 specific accounting signaling is shown in FIG. 5 and includes:
  • a PoC client sends a Session Initiated Protocol (SIP) message, which includes a SIP INVITE message or SIP BYE message, to a participating PoC function Server;
  • SIP Session Initiated Protocol
  • the participating PoC function Server forwards the SIP INVITE message or SIP BYE message to a controlling PoC function Server;
  • the controlling PoC function Server counts the number of users and determines whether group scale is changed; a specific determination method is shown by Step S 14 and Step S 15 in the flow chart shown in FIG. 3 ;
  • ACR accounting request
  • the charging system After the charging system receives the accounting request, it performs accounting at a corresponding accounting rate according to the number of the current users or the group scale, and records the result of accounting;
  • Specific situations in which the controlling PoC function Server initiates an accounting request to the charging system include the following six cases as shown in FIGS. 6 A- 6 F.
  • the controlling PoC function Server When the controlling PoC function Server receives a session starting request initiated by a user, it initiates an initial accounting request to the offline charging system, as shown in FIG. 6A ; this accounting request message is StartRecord, which may carry information on the number of users of “1,” or carry identification information of the minimum group scale, such as “Scale1.”
  • the controlling PoC function Server When a user joins or leaves the session, the controlling PoC function Server counts the number of the current users and determines whether the group scale is changed; when the group scale is changed, it initiates an interim accounting request to the offline charging system, as shown in FIG. 6B ; this accounting request message is InterimRecord, which may carry information on the number of users, such as “8,” or carry identification information of the current group scale, such as “Scale2.”
  • the controlling PoC function Server initiates an accounting termination request to the offline charging system, as shown in FIG. 6C ; this accounting request message is TerminationRecord.
  • this accounting request message is InitialRequest, which may carry information on the number of users of “1,” or carry identification information of the minimum group scale, such as “Scale1.”
  • the controlling PoC function Server When a user joins or leaves the session, the controlling PoC function Server counts the number of the current users and determines whether the group scale is changed; when the group scale is changed, it initiates an accounting update request to the online charging system, as shown in FIG. 6E ; this accounting request message is UpdateRequest, which may carry information on the number of users, such as “8,” or identification information of the current group scale, such as “Scale2.”
  • the controlling PoC function Server initiates an accounting termination request to the online charging system, as shown in FIG. 6F ; this accounting request message is TerminationRequest.
  • the application server includes a group mode service functional unit for realizing a group mode service, and it further includes:
  • a group scale determining unit adapted to determine the current group scale according to the number of online users in a group
  • a group scale change determining unit adapted to determine whether the group scale is changed
  • an accounting requesting unit adapted to send an initial accounting request to a charging system according to a service request for establishing a group session initiated by a client, and initiate an interim accounting request, which carries information on the number of online group users or group scale information, to the charging system after the group scale is changed.
  • the group scale determining unit includes:
  • a first module adapted to receive a session joining/leaving request from a group user
  • a second module adapted to compute the number of online group users in the current session
  • a third module adapted to determine the current group scale according to the counted result.
  • the invention provides an embodiment of a corresponding charging system, of which a specific structure is shown in FIG. 8 .
  • the charging system includes:
  • an accounting request receiving and resolving unit adapted to receive an initial accounting request and an interim accounting request initiated by an application server
  • a rate determining unit adapted to determine an initial rate according to the initial accounting request, and determine a corresponding accounting rate according to the resolved information on the number of online group users or group scale information;
  • a fee computing unit adapted to perform accounting at the determined accounting rate.
  • the above charging system further includes a rate storing unit adapted to store a first table of corresponding relationship and a second table of corresponding relationship.
  • Corresponding relationship between group scales and accounting rates is stored in the second table of corresponding relationship.
  • the rate determining unit searches the first table of corresponding relationship after it resolves the information on the number of online group users, or the rate determining unit searches the second table of corresponding relationship according to the resolved group scale information, then determines a corresponding accounting rate and notifies it to the fee computing unit; and the fee computing unit performs accounting at the determined accounting rate.
  • the invention further provides a system for realizing a group mode service, which includes the above application server and charging system.
  • an application server is used to compute the number of users in the current online session and determine the current group scale according to the counted result; accounting is triggered only when the group scale is changed. Therefore, accounting signaling interacted between the application server and the charging system may be reduced greatly, and occupation of network system resources may be decreased.
  • accounting is performed at a corresponding rate according to the number of users that participate a session currently.
  • practical service accounting requirements can be met better, thereby better promoting service consumption.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Multimedia (AREA)
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  • Telephonic Communication Services (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
US12/254,127 2006-04-20 2008-10-20 Method, system and apparatus of charging for group mode service Abandoned US20090075626A1 (en)

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CNB2006100759402A CN100499468C (zh) 2006-04-20 2006-04-20 一种群组型业务计费方法、系统及其设备
PCT/CN2007/000680 WO2007121652A1 (fr) 2006-04-20 2007-03-02 Procédé, système et dispositif de facturation d'un service de groupe

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US20080319783A1 (en) * 2006-03-07 2008-12-25 Huawei Technologies Co., Ltd. Charging Method, System and Server for PoC Service
US20160014279A1 (en) * 2012-01-27 2016-01-14 Openet Telecom Ltd. System and Method for Enabling Interactions between a Policy Decision Point and a Charging System
US11442791B2 (en) * 2018-06-01 2022-09-13 Huawei Technologies Co., Ltd. Multiple server-architecture cluster for providing a virtual network function

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KR20090037383A (ko) 2009-04-15

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